What is the fate of electrons from NADPH during the Calvin cycle?
a. They are accepted by molecular oxygen, just like in cellular respiration.
b. They are used to regenerate RuBP from G3P
c. They are added to 3PGA.
d. They are transferred to rubisco.
e. They remain on NADPH to help drive the light reactions
ANSWER: c
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Which of the following organisms is negative for catalase, indole, and arginine dihydrolase tests and pits the agar on a sheep blood agar plate?
a. E. corrodens b. W. virosa c. P. maltophilia d. S. paucimobilis
In a pedigree chart, a female showing the
specific trait being studied is indicated by a
a. clear square. b. darkened square. c. clear circle. d. darkened diamond. e. darkened circle.
Diagram a flower, labeling the parts and identify the function of each labeled part from the following
list: a) reproduction male, b) reproduction female, c) attracting a pollinator, d) point of attachment of flower parts, and e) protection for a bud. What will be an ideal response?
According to the theory of sea-floor spreading, oceanic islands, such as the Hawaiian Islands depicted in the figure above, form as oceanic crustal plates move over a stationary "hot spot" in the mantle
Currently, the big island of Hawaii is thought to be over a hot spot, which is why it is the only one of the seven large islands that has active volcanoes. What should be true of the island of Hawaii? 1. Scientists in search of ongoing speciation events are more likely to find them here than on the other six large islands. 2. Its species should be more closely related to those of nearer islands than to those of farther islands. 3. It should have a rich fossil record of terrestrial organisms. 4. It should have species that are not found anywhere else on Earth. 5. On average, it should have fewer species per unit surface area than the other six islands. A) 1, 2, and 3 B) 1, 2, and 5 C) 1, 2, 3, and 4 D) 1, 2, 4, and 5